Operando structural study of non-aqueous Li-air batteries using synchrotron-based X-ray diffraction.

ABSTRACT: Non-aqueous lithium-air batteries (LABs) attract attention as a candidate technology for next-generation energy storage devices. It is crucial to understand how the discharge product Li₂O₂ is formed and decomposed by the electrochemical reactions to improve the cycle performance and decrease the charge voltage, which are the most important subjects for LAB development. Here, operando X-ray diffraction with high-brilliant X-rays in a transmission mode was used to observe the intensity and structural changes of crystalline Li₂O₂ in an operating non-aqueous LAB in real time, and the Li-O₂ electrochemical reaction involving Li₂O₂ formation and decomposition was clearly demonstrated. The electrochemically formed

SUBMITTER: Song C 

PROVIDER: S-EPMC9082782 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature